Science

Thursday, 23 April 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Titan
The largest crater on Titan’s surface in Menrva.
Its diameter is 392 kilometers, and its depth is 2.8 kilometers. It is located 20.1 degrees north of ...
Ganymede
Ganymede has a very thin atmosphere that is almost 100% of oxygen.
Phobos
Phobos was photographed by the following probes: Mariner 7, Mariner 9, Viking 1, Phobos 2, Mars Global Surveyor, Mars Express, and Mars Reconnaissance Orbiter.
Milky Way
The Milky Way is a barred spiral galaxy of type SBbc.
A bright band of stars, gas, and dust runs through the center of the galaxy (forming a bar), with ar ...
Aurora
Auroras are not only present on our planet.
They were observed on all the giant planets in the solar system: Jupiter, Saturn, Uranus and Neptune.
Amber
Paleontologists used organisms trapped within amber to identify over 1,000 extinct species.
Deimos
Deimos orbits Mars in 30 hours, 17 minutes and 55 seconds.
It moves in an almost circular orbit that is systematically expanding. So unlike Phobos, which will most likely fall to the surface of Mars, Deimos will one day escape into space.
Amber
The English word amber derives from the Arabic anbar.
Its ancient names(electrum in Latin and ēlektron in Ancient Greek) are derived from the Ancient Greek word ēlektōr, which means "shining sun".
Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.
Snow
Snow accumulates in areas cold enough to remain there seasonally or all the time.
The main areas prone to snow are the Artic, Antarctica, the northern hemisphere, and alpine regions.